Bash shell Decimal to Binary base 2 conversion

bash, binary, decimal, shell

Solution

You can use `bc` as:

echo "obase=2;$ip1" | bc

See it

Problem

I'm looking for an easy way in Bash to convert a decimal number into a binary number. I have variables that need to be converted: ``` $ip1 $ip2 $ip3 $ip4 ``` Is there a simple method to do this without looking at every individual number? I would prefer not to have to write a lot of code.

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